Home / 11,117.14-16,675.65-4,456.60

Finding the Fourth Proportional to 11,117.14, 16,675.65 and 4,456.60

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Solution

The fourth proportional to 11,117.14, 16,675.65 and 4,456.60 is: 6,684.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.14 : 16,675.65 = 4,456.60 : x
  2. Step 2: Convert to fraction form
    11,117.14/16,675.65 = 4,456.60/x
  3. Step 3: Cross multiply
    11,117.14x = 16,675.65 × 4,456.60
  4. Step 4: Simplify right side
    11,117.14x = 74,316,701.79
  5. Step 5: Solve for x
    x = 74,316,701.79/11,117.14
  6. Step 6: Final answer
    x = 6,684.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.